Advanced Resource Computer Systems Inc. not only survived the dot-com fallout. It has thrived in the aftermath, hitting three milestones in 2001. The 18-year-old mortgage technology application service provider reports that it decisioned $24 billion in loans in 2001. In addition, so far this year, the company has decisioned $21 billion. Furthermore, it broke a one-day, half-billion dollar loan decisioning total on March 19.